Home / 7,287.46-10,055.88-4,100.14

Finding the Fourth Proportional to 7,287.46, 10,055.88 and 4,100.14

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Solution

The fourth proportional to 7,287.46, 10,055.88 and 4,100.14 is: 5,657.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.46 : 10,055.88 = 4,100.14 : x
  2. Step 2: Convert to fraction form
    7,287.46/10,055.88 = 4,100.14/x
  3. Step 3: Cross multiply
    7,287.46x = 10,055.88 × 4,100.14
  4. Step 4: Simplify right side
    7,287.46x = 41,230,515.82
  5. Step 5: Solve for x
    x = 41,230,515.82/7,287.46
  6. Step 6: Final answer
    x = 5,657.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.